3640440703 has 2 divisors, whose sum is σ = 3640440704. Its totient is φ = 3640440702.

The previous prime is 3640440689. The next prime is 3640440737. The reversal of 3640440703 is 3070440463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3640440703 - 2⁹ = 3640440191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3640440103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820220351 + 1820220352.

It is an arithmetic number, because the mean of its divisors is an integer number (1820220352).

Almost surely, 2^3640440703 is an apocalyptic number.

3640440703 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640440703 is an equidigital number, since it uses as much as digits as its factorization.

3640440703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 3640440703 is about 60336.0646960008. The cubic root of 3640440703 is about 1538.3364144707.

The spelling of 3640440703 in words is "three billion, six hundred forty million, four hundred forty thousand, seven hundred three".